ci: refs#6706 Jenkinsfile load environemnt

Jenkinsfile

@@ -31,10 +31,14 @@ node {
         RUN_TESTS = !PROTECTED_BRANCH && FROM_GIT
         RUN_BUILD = PROTECTED_BRANCH && FROM_GIT
 
-        // Uncomment to enable debugging
-        // https://loopback.io/doc/en/lb3/Setting-debug-strings.html#debug-strings-reference
-        //env.DEBUG = 'strong-remoting:shared-method'
+        configFileProvider([
+            configFile(fileId: "salix.groovy",
+            variable: 'GROOVY_FILE')
+        ]) {
+            load env.GROOVY_FILE
+        }
 
+        // https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#using-environment-variables
         echo "Node: ${NODE_NAME}"
         echo "Workspace: ${WORKSPACE}"
     }